:root {
  --ink: #142033;
  --muted: #5f6d7f;
  --line: #dfe6ee;
  --soft: #f6f8fb;
  --panel: #ffffff;
  --navy: #0f2d4d;
  --blue: #1769e0;
  --teal: #12a6a0;
  --violet: #5968d8;
  --shadow: 0 20px 55px rgba(20, 32, 51, 0.11);
  --radius: 8px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #fbfcfe;
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }

p { margin: 0; color: var(--muted); }

h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: 0; color: var(--ink); }

h1 { font-size: clamp(2.25rem, 4.05vw, 4.35rem); max-width: 900px; }
h2 { font-size: clamp(1.65rem, 2.8vw, 3rem); }
h3 { font-size: 1.08rem; }

.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(251, 252, 254, 0.86);
  border-bottom: 1px solid rgba(223, 230, 238, 0.8);
  backdrop-filter: blur(18px);
}

.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: inline-flex; align-items: center; color: var(--navy); }

.brand-logo {
  display: block;
  width: 168px;
  height: 32px;
  object-fit: contain;
  object-position: left center;
}

.nav-links { display: flex; align-items: center; gap: 22px; font-size: 0.92rem; color: #344255; }
.nav-links a:hover { color: var(--blue); }
.nav-cta { padding: 10px 15px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 8px 18px rgba(20, 32, 51, 0.05); }

.nav-toggle { display: none; width: 40px; height: 40px; border: 1px solid var(--line); background: #fff; border-radius: 8px; }
.nav-toggle span { display: block; width: 18px; height: 2px; margin: 4px auto; background: var(--ink); }

.hero {
  padding: 72px 0 54px;
  background:
    linear-gradient(120deg, rgba(23, 105, 224, 0.08), transparent 32%),
    linear-gradient(180deg, #fff 0%, #f7f9fc 100%);
  overflow: hidden;
}

.hero-grid { display: grid; grid-template-columns: 1fr 0.95fr; gap: 42px; align-items: center; }
.hero-copy { min-width: 0; }
.eyebrow { margin-bottom: 16px; color: var(--blue); font-weight: 780; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78rem; }
.hero-lede { margin-top: 20px; max-width: 600px; font-size: clamp(1rem, 1.15vw, 1.12rem); color: #425167; }
.hero-actions { margin-top: 28px; display: flex; gap: 14px; flex-wrap: wrap; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: var(--radius);
  font-weight: 720;
  border: 1px solid transparent;
}

.button.primary { background: var(--navy); color: #fff; box-shadow: 0 14px 30px rgba(15, 45, 77, 0.22); }
.button.secondary { background: #fff; color: var(--navy); border-color: var(--line); }
.button.compact { min-height: 40px; font-size: 0.92rem; }
.button:hover, .text-link:hover { transform: translateY(-1px); }

.hero-visual {
  position: relative;
  min-height: 460px;
  border: 1px solid rgba(189, 202, 219, 0.8);
  border-radius: 12px;
  background:
    linear-gradient(rgba(23, 105, 224, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 105, 224, 0.045) 1px, transparent 1px),
    radial-gradient(circle at 65% 28%, rgba(18, 166, 160, 0.14), transparent 28%),
    #fff;
  background-size: 28px 28px, 28px 28px, auto, auto;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 28px;
  border: 1px solid rgba(23, 105, 224, 0.16);
  border-radius: 10px;
}

.flow-card {
  position: absolute;
  width: 148px;
  min-height: 62px;
  display: grid;
  place-items: center;
  padding: 12px;
  border: 1px solid rgba(186, 201, 219, 0.9);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--navy);
  font-weight: 780;
  text-align: center;
  box-shadow: 0 14px 32px rgba(20, 32, 51, 0.09);
}

.intent { left: 34px; top: 44px; }
.workstream { left: 210px; top: 44px; }
.agent { left: 122px; top: 146px; background: #f4fbff; border-color: rgba(23, 105, 224, 0.32); }
.evidence { right: 34px; top: 146px; }
.review { left: 210px; top: 246px; }
.accepted { left: 60px; bottom: 42px; width: 188px; background: #f7fffd; border-color: rgba(18, 166, 160, 0.35); }
.asset { right: 34px; bottom: 42px; width: 188px; background: #f8f8ff; border-color: rgba(89, 104, 216, 0.3); }

.section { padding: 88px 0; }
.split { display: grid; grid-template-columns: 0.88fr 1.12fr; gap: 64px; align-items: start; }
.section-copy p { font-size: 1.16rem; color: #425167; }
.problem { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-heading { max-width: 780px; margin-bottom: 34px; }
.section-heading p { margin-top: 18px; font-size: 1.08rem; }
.row-heading { max-width: none; display: flex; align-items: end; justify-content: space-between; gap: 24px; }

.attribute-grid, .architecture-grid, .usecase-grid, .page-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.attribute-card, .architecture-grid article, .usecase-grid article, .value-card, .page-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 10px 28px rgba(20, 32, 51, 0.05);
}

.attribute-card span, .value-card span {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.attribute-card p, .architecture-grid p, .usecase-grid p, .value-card p, .page-card p { margin-top: 10px; }
.page-card h2 { font-size: clamp(1.65rem, 2.4vw, 2.35rem); }

.band { background: linear-gradient(180deg, #f5f8fc, #fff); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.product-callout { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 48px; align-items: center; }
.product-callout p { margin-top: 20px; font-size: 1.08rem; }
.text-link { display: inline-flex; margin-top: 24px; color: var(--blue); font-weight: 780; }

.workflow-stack { display: grid; gap: 10px; }
.workflow-stack span {
  display: block;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue);
  border-radius: var(--radius);
  font-weight: 720;
  box-shadow: 0 10px 24px rgba(20, 32, 51, 0.06);
}
.workflow-stack span:nth-child(3) { border-left-color: var(--teal); }
.workflow-stack span:nth-child(5) { border-left-color: var(--violet); }

.value-section { background: #10253f; }
.value-section h2, .value-card h3 { color: #fff; }
.value-grid { display: grid; grid-template-columns: 1.25fr repeat(3, 1fr); gap: 16px; align-items: stretch; }
.value-intro { padding-right: 24px; }
.value-intro .eyebrow { color: #7ccdf2; }
.value-card { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.14); box-shadow: none; }
.value-card p { color: #c8d4e2; }
.value-card span { color: #7ccdf2; }

.trust-band { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.trust-list span {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--soft);
  font-weight: 720;
}

.final-cta { text-align: center; background: linear-gradient(180deg, #fff, #f2f6fb); }
.final-cta .shell { max-width: 780px; }
.final-cta p { margin: 18px auto 28px; font-size: 1.1rem; }

.footer { padding: 44px 0; border-top: 1px solid var(--line); background: #fff; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: start; }
.footer p { margin-top: 14px; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; color: var(--muted); }

.page-hero { padding: 82px 0 54px; background: linear-gradient(180deg, #fff, #f6f8fb); border-bottom: 1px solid var(--line); }
.page-hero .shell { max-width: 940px; }
.page-hero h1 { font-size: clamp(2.2rem, 3.75vw, 4.15rem); }
.page-hero p:not(.eyebrow) { margin-top: 20px; max-width: 740px; font-size: clamp(1rem, 1.25vw, 1.12rem); }
.page-section { padding: 72px 0; }
.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.table-like { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #fff; }
.table-row { display: grid; grid-template-columns: 0.38fr 1fr; gap: 20px; padding: 20px; border-top: 1px solid var(--line); }
.table-row:first-child { border-top: 0; }
.table-row strong { color: var(--navy); }
.contact-panel { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 28px; align-items: start; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 26px; box-shadow: var(--shadow); }
.field { display: grid; gap: 8px; margin-bottom: 16px; }
.field label { font-weight: 720; color: #26364a; }
.field input, .field textarea, .field select {
  width: 100%;
  border: 1px solid #cdd8e5;
  border-radius: 8px;
  padding: 13px 14px;
  font: inherit;
  color: var(--ink);
  background: #fff;
}
.field textarea { min-height: 132px; resize: vertical; }
.form-note { margin-top: 14px; font-size: 0.9rem; }
.form-note.success { color: #0f766e; }
.form-note.error { color: #b42318; }
.button:disabled { cursor: not-allowed; opacity: 0.64; transform: none; }
.hidden-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.legal-copy { max-width: 820px; }
.legal-copy h2 { margin-top: 34px; font-size: clamp(1.4rem, 2.2vw, 2rem); }
.legal-copy h2:first-child { margin-top: 0; }
.legal-copy p { margin-top: 12px; font-size: 1.05rem; }
.inline-link { display: inline; margin-top: 0; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .hero-grid, .split, .product-callout, .value-grid, .contact-panel { grid-template-columns: 1fr; }
  .hero-visual { min-height: 460px; }
  .attribute-grid, .architecture-grid, .usecase-grid, .page-card-grid { grid-template-columns: repeat(2, 1fr); }
  .value-intro { padding-right: 0; }
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 68px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-cta { text-align: center; }
}

@media (max-width: 680px) {
  .shell { width: min(100% - 28px, 1180px); }
  .hero { padding-top: 48px; }
  .section, .page-section { padding: 58px 0; }
  .attribute-grid, .architecture-grid, .usecase-grid, .page-card-grid, .two-column, .trust-list { grid-template-columns: 1fr; }
  .row-heading { display: block; }
  .row-heading .button { margin-top: 18px; }
  .hero-visual { min-height: 548px; }
  .flow-card { width: calc(100% - 56px); left: 28px !important; right: auto !important; }
  .intent { top: 24px; }
  .workstream { top: 98px; }
  .agent { top: 172px; }
  .evidence { top: 246px; }
  .review { top: 320px; }
  .accepted { bottom: 92px; }
  .asset { bottom: 18px; }
  .footer-grid { grid-template-columns: 1fr; }
  .table-row { grid-template-columns: 1fr; gap: 8px; }
}